TY - CONF AU - Didion, David AU - Brown, J C2 - ASME-ZSITS International Thermal Science Seminar | | |, Bled, RU DA - 2000-07-01 LA - en PB - ASME-ZSITS International Thermal Science Seminar | | |, Bled, RU PY - 2000 TI - Challenges in Developing Environmentally Safe Heat Pumping Systems UR - https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=860821 ER -